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Show ,1 Lowest Temperature Reached, j Tho lowest tomperaturo yot record H ej la that reached by K. Oszowskl In H'l nn attempt to llquofy hollum. Dy tho H aid of solid hydrogen ho cooled gag to Hjj -Bf.9 doE'cos C. under 180 ntmc- Hf Bphcrca' prcssuro; then, suddenly rc- Hi lonslrifr tlio prcssuro to that or tlio at- H' mospharo, n degree of cold was cro H' ntcd which, liy calculation from I.a- H plnco and Polsson's formula, amounted H; , to' 271.3 degrees C. Hollum, how H: ever, did not liquefy, and ho accord H lngly assumes that Its boiling point H must bo below 271, and that thoro H Is little prospect of reducing It to a |